80220790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36299}}^1$

素因数の和:36336

約数の個数: 32

約数和(自身を含む): 164656800

約数和(自身を除く): 84436010

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36299, 72598, 181495, 362990, 471887, 617083, 943774, 1234166, 2359435, 3085415, 4718870, 6170830, 8022079, 16044158, 40110395, 80220790]

約数ペア:

[(1, 80220790), (2, 40110395), (5, 16044158), (10, 8022079), (13, 6170830), (17, 4718870), (26, 3085415), (34, 2359435), (65, 1234166), (85, 943774), (130, 617083), (170, 471887), (221, 362990), (442, 181495), (1105, 72598), (2210, 36299)]